According to the Centers for Disease Control and Prevention publication HIV/AIDS Surveillance Report, Vol. 19, the number of AIDS cases in the United States in 2007, by gender and race, is as shown in the following contingency table.

a. How many cells does this contingency table have?
b. Fill in the missing entries.
c. What was the total number of AIDS cases in the United States in 2007?
d. How many AIDS cases were blacks?
e. How many AIDS cases were males?
f. How many AIDS cases were white females?

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Gender Male Female Total White 10.563 Black 14.247 7.196 Other 6,471 Total 12,534 42,496